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Finding the Fourth Proportional to 502.56, 750.18 and 437.46

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Solution

The fourth proportional to 502.56, 750.18 and 437.46 is: 653.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.56 : 750.18 = 437.46 : x
  2. Step 2: Convert to fraction form
    502.56/750.18 = 437.46/x
  3. Step 3: Cross multiply
    502.56x = 750.18 × 437.46
  4. Step 4: Simplify right side
    502.56x = 328,173.74
  5. Step 5: Solve for x
    x = 328,173.74/502.56
  6. Step 6: Final answer
    x = 653.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.