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Finding the Fourth Proportional to 656.93, 906.57 and 373.32

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Solution

The fourth proportional to 656.93, 906.57 and 373.32 is: 515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    656.93 : 906.57 = 373.32 : x
  2. Step 2: Convert to fraction form
    656.93/906.57 = 373.32/x
  3. Step 3: Cross multiply
    656.93x = 906.57 × 373.32
  4. Step 4: Simplify right side
    656.93x = 338,440.71
  5. Step 5: Solve for x
    x = 338,440.71/656.93
  6. Step 6: Final answer
    x = 515.19

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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.