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Finding the Fourth Proportional to 540.76, 746.40 and 366.34

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Solution

The fourth proportional to 540.76, 746.40 and 366.34 is: 505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.76 : 746.40 = 366.34 : x
  2. Step 2: Convert to fraction form
    540.76/746.40 = 366.34/x
  3. Step 3: Cross multiply
    540.76x = 746.40 × 366.34
  4. Step 4: Simplify right side
    540.76x = 273,436.18
  5. Step 5: Solve for x
    x = 273,436.18/540.76
  6. Step 6: Final answer
    x = 505.65

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Find fourth proportional to 270.38, 373.20 and 183.17
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Double scale
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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.