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Finding the Fourth Proportional to 545.01, 756.53 and 532.05

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Solution

The fourth proportional to 545.01, 756.53 and 532.05 is: 738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.01 : 756.53 = 532.05 : x
  2. Step 2: Convert to fraction form
    545.01/756.53 = 532.05/x
  3. Step 3: Cross multiply
    545.01x = 756.53 × 532.05
  4. Step 4: Simplify right side
    545.01x = 402,511.79
  5. Step 5: Solve for x
    x = 402,511.79/545.01
  6. Step 6: Final answer
    x = 738.54

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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.