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Finding the Fourth Proportional to 602.16, 903.65 and 236.90

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Solution

The fourth proportional to 602.16, 903.65 and 236.90 is: 355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.16 : 903.65 = 236.90 : x
  2. Step 2: Convert to fraction form
    602.16/903.65 = 236.90/x
  3. Step 3: Cross multiply
    602.16x = 903.65 × 236.90
  4. Step 4: Simplify right side
    602.16x = 214,068.98
  5. Step 5: Solve for x
    x = 214,068.98/602.16
  6. Step 6: Final answer
    x = 355.50

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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.