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Finding the Fourth Proportional to 531.61, 737.04 and 503.93

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Solution

The fourth proportional to 531.61, 737.04 and 503.93 is: 698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.61 : 737.04 = 503.93 : x
  2. Step 2: Convert to fraction form
    531.61/737.04 = 503.93/x
  3. Step 3: Cross multiply
    531.61x = 737.04 × 503.93
  4. Step 4: Simplify right side
    531.61x = 371,416.57
  5. Step 5: Solve for x
    x = 371,416.57/531.61
  6. Step 6: Final answer
    x = 698.66

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.