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Finding the Fourth Proportional to 555.52, 770.32 and 537.07

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Solution

The fourth proportional to 555.52, 770.32 and 537.07 is: 744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.52 : 770.32 = 537.07 : x
  2. Step 2: Convert to fraction form
    555.52/770.32 = 537.07/x
  3. Step 3: Cross multiply
    555.52x = 770.32 × 537.07
  4. Step 4: Simplify right side
    555.52x = 413,715.76
  5. Step 5: Solve for x
    x = 413,715.76/555.52
  6. Step 6: Final answer
    x = 744.74

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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.