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Finding the Fourth Proportional to 583.99, 875.73 and 219.07

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Solution

The fourth proportional to 583.99, 875.73 and 219.07 is: 328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.99 : 875.73 = 219.07 : x
  2. Step 2: Convert to fraction form
    583.99/875.73 = 219.07/x
  3. Step 3: Cross multiply
    583.99x = 875.73 × 219.07
  4. Step 4: Simplify right side
    583.99x = 191,841.79
  5. Step 5: Solve for x
    x = 191,841.79/583.99
  6. Step 6: Final answer
    x = 328.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 584.99, 877.23 and 220.07
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.