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Finding the Fourth Proportional to 340.01, 510.26 and 123.61

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Solution

The fourth proportional to 340.01, 510.26 and 123.61 is: 185.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.01 : 510.26 = 123.61 : x
  2. Step 2: Convert to fraction form
    340.01/510.26 = 123.61/x
  3. Step 3: Cross multiply
    340.01x = 510.26 × 123.61
  4. Step 4: Simplify right side
    340.01x = 63,073.24
  5. Step 5: Solve for x
    x = 63,073.24/340.01
  6. Step 6: Final answer
    x = 185.50

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Double scale
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1.5x scale

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.