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Finding the Fourth Proportional to 411.13, 566.08 and 348.76

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Solution

The fourth proportional to 411.13, 566.08 and 348.76 is: 480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.13 : 566.08 = 348.76 : x
  2. Step 2: Convert to fraction form
    411.13/566.08 = 348.76/x
  3. Step 3: Cross multiply
    411.13x = 566.08 × 348.76
  4. Step 4: Simplify right side
    411.13x = 197,426.06
  5. Step 5: Solve for x
    x = 197,426.06/411.13
  6. Step 6: Final answer
    x = 480.20

Related Problems

Find fourth proportional to 205.57, 283.04 and 174.38
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.