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Finding the Fourth Proportional to 158.90, 235.01 and 158.90

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Solution

The fourth proportional to 158.90, 235.01 and 158.90 is: 235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.90 : 235.01 = 158.90 : x
  2. Step 2: Convert to fraction form
    158.90/235.01 = 158.90/x
  3. Step 3: Cross multiply
    158.90x = 235.01 × 158.90
  4. Step 4: Simplify right side
    158.90x = 37,341.12
  5. Step 5: Solve for x
    x = 37,341.12/158.90
  6. Step 6: Final answer
    x = 235.01

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.