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Finding the Fourth Proportional to 1.01, 1.50 and 1

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Solution

The fourth proportional to 1.01, 1.50 and 1 is: 1.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.01 : 1.50 = 1 : x
  2. Step 2: Convert to fraction form
    1.01/1.50 = 1/x
  3. Step 3: Cross multiply
    1.01x = 1.50 × 1
  4. Step 4: Simplify right side
    1.01x = 1.50
  5. Step 5: Solve for x
    x = 1.50/1.01
  6. Step 6: Final answer
    x = 1.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.