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Finding the Fourth Proportional to 544.32, 750.16 and 509.68

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Solution

The fourth proportional to 544.32, 750.16 and 509.68 is: 702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.32 : 750.16 = 509.68 : x
  2. Step 2: Convert to fraction form
    544.32/750.16 = 509.68/x
  3. Step 3: Cross multiply
    544.32x = 750.16 × 509.68
  4. Step 4: Simplify right side
    544.32x = 382,341.55
  5. Step 5: Solve for x
    x = 382,341.55/544.32
  6. Step 6: Final answer
    x = 702.42

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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.