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Finding the Fourth Proportional to 474.76, 656.02 and 370.12

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Solution

The fourth proportional to 474.76, 656.02 and 370.12 is: 511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.76 : 656.02 = 370.12 : x
  2. Step 2: Convert to fraction form
    474.76/656.02 = 370.12/x
  3. Step 3: Cross multiply
    474.76x = 656.02 × 370.12
  4. Step 4: Simplify right side
    474.76x = 242,803.56
  5. Step 5: Solve for x
    x = 242,803.56/474.76
  6. Step 6: Final answer
    x = 511.43

Related Problems

Find fourth proportional to 237.38, 328.01 and 185.06
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Double scale
Find fourth proportional to 475.76, 657.40 and 371.12
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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.