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Finding the Fourth Proportional to 637.08, 955.35 and 226.32

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Solution

The fourth proportional to 637.08, 955.35 and 226.32 is: 339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.08 : 955.35 = 226.32 : x
  2. Step 2: Convert to fraction form
    637.08/955.35 = 226.32/x
  3. Step 3: Cross multiply
    637.08x = 955.35 × 226.32
  4. Step 4: Simplify right side
    637.08x = 216,214.81
  5. Step 5: Solve for x
    x = 216,214.81/637.08
  6. Step 6: Final answer
    x = 339.38

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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.