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Finding the Fourth Proportional to 1,088.22, 1,501.76 and 590.88

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Solution

The fourth proportional to 1,088.22, 1,501.76 and 590.88 is: 815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.22 : 1,501.76 = 590.88 : x
  2. Step 2: Convert to fraction form
    1,088.22/1,501.76 = 590.88/x
  3. Step 3: Cross multiply
    1,088.22x = 1,501.76 × 590.88
  4. Step 4: Simplify right side
    1,088.22x = 887,356.99
  5. Step 5: Solve for x
    x = 887,356.99/1,088.22
  6. Step 6: Final answer
    x = 815.42

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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.