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Finding the Fourth Proportional to 545.99, 752.90 and 467.55

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Solution

The fourth proportional to 545.99, 752.90 and 467.55 is: 644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.99 : 752.90 = 467.55 : x
  2. Step 2: Convert to fraction form
    545.99/752.90 = 467.55/x
  3. Step 3: Cross multiply
    545.99x = 752.90 × 467.55
  4. Step 4: Simplify right side
    545.99x = 352,016.06
  5. Step 5: Solve for x
    x = 352,016.06/545.99
  6. Step 6: Final answer
    x = 644.74

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1.5x scale

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.