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Finding the Fourth Proportional to 545.85, 814.44 and 473.85

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Solution

The fourth proportional to 545.85, 814.44 and 473.85 is: 707.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    545.85 : 814.44 = 473.85 : x
  2. Step 2: Convert to fraction form
    545.85/814.44 = 473.85/x
  3. Step 3: Cross multiply
    545.85x = 814.44 × 473.85
  4. Step 4: Simplify right side
    545.85x = 385,922.39
  5. Step 5: Solve for x
    x = 385,922.39/545.85
  6. Step 6: Final answer
    x = 707.01

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.