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Finding the Fourth Proportional to 545.58, 757.53 and 532.35

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Solution

The fourth proportional to 545.58, 757.53 and 532.35 is: 739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.58 : 757.53 = 532.35 : x
  2. Step 2: Convert to fraction form
    545.58/757.53 = 532.35/x
  3. Step 3: Cross multiply
    545.58x = 757.53 × 532.35
  4. Step 4: Simplify right side
    545.58x = 403,271.10
  5. Step 5: Solve for x
    x = 403,271.10/545.58
  6. Step 6: Final answer
    x = 739.16

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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.