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Finding the Fourth Proportional to 542.60, 812.30 and 336.51

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Solution

The fourth proportional to 542.60, 812.30 and 336.51 is: 503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    542.60 : 812.30 = 336.51 : x
  2. Step 2: Convert to fraction form
    542.60/812.30 = 336.51/x
  3. Step 3: Cross multiply
    542.60x = 812.30 × 336.51
  4. Step 4: Simplify right side
    542.60x = 273,346.30
  5. Step 5: Solve for x
    x = 273,346.30/542.60
  6. Step 6: Final answer
    x = 503.77

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.