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Finding the Fourth Proportional to 527.69, 728.07 and 341.19

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Solution

The fourth proportional to 527.69, 728.07 and 341.19 is: 470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.69 : 728.07 = 341.19 : x
  2. Step 2: Convert to fraction form
    527.69/728.07 = 341.19/x
  3. Step 3: Cross multiply
    527.69x = 728.07 × 341.19
  4. Step 4: Simplify right side
    527.69x = 248,410.20
  5. Step 5: Solve for x
    x = 248,410.20/527.69
  6. Step 6: Final answer
    x = 470.75

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Double scale
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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.