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Finding the Fourth Proportional to 313.16, 469.48 and 150.76

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Solution

The fourth proportional to 313.16, 469.48 and 150.76 is: 226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.16 : 469.48 = 150.76 : x
  2. Step 2: Convert to fraction form
    313.16/469.48 = 150.76/x
  3. Step 3: Cross multiply
    313.16x = 469.48 × 150.76
  4. Step 4: Simplify right side
    313.16x = 70,778.80
  5. Step 5: Solve for x
    x = 70,778.80/313.16
  6. Step 6: Final answer
    x = 226.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.