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Finding the Fourth Proportional to 527.96, 728 and 370.76

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Solution

The fourth proportional to 527.96, 728 and 370.76 is: 511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    527.96 : 728 = 370.76 : x
  2. Step 2: Convert to fraction form
    527.96/728 = 370.76/x
  3. Step 3: Cross multiply
    527.96x = 728 × 370.76
  4. Step 4: Simplify right side
    527.96x = 269,913.28
  5. Step 5: Solve for x
    x = 269,913.28/527.96
  6. Step 6: Final answer
    x = 511.24

Related Problems

Find fourth proportional to 263.98, 364 and 185.38
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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.