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Finding the Fourth Proportional to 882.99, 1,218.59 and 588.75

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Solution

The fourth proportional to 882.99, 1,218.59 and 588.75 is: 812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.99 : 1,218.59 = 588.75 : x
  2. Step 2: Convert to fraction form
    882.99/1,218.59 = 588.75/x
  3. Step 3: Cross multiply
    882.99x = 1,218.59 × 588.75
  4. Step 4: Simplify right side
    882.99x = 717,441.92
  5. Step 5: Solve for x
    x = 717,441.92/882.99
  6. Step 6: Final answer
    x = 812.51

Related Problems

Find fourth proportional to 441.50, 609.29 and 294.38
Half scale
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Double scale
Find fourth proportional to 883.99, 1,219.97 and 589.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.