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Finding the Fourth Proportional to 557.58, 836.12 and 265.08

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Solution

The fourth proportional to 557.58, 836.12 and 265.08 is: 397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    557.58 : 836.12 = 265.08 : x
  2. Step 2: Convert to fraction form
    557.58/836.12 = 265.08/x
  3. Step 3: Cross multiply
    557.58x = 836.12 × 265.08
  4. Step 4: Simplify right side
    557.58x = 221,638.69
  5. Step 5: Solve for x
    x = 221,638.69/557.58
  6. Step 6: Final answer
    x = 397.50

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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.