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Finding the Fourth Proportional to 301.99, 416.72 and 175.93

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Solution

The fourth proportional to 301.99, 416.72 and 175.93 is: 242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.99 : 416.72 = 175.93 : x
  2. Step 2: Convert to fraction form
    301.99/416.72 = 175.93/x
  3. Step 3: Cross multiply
    301.99x = 416.72 × 175.93
  4. Step 4: Simplify right side
    301.99x = 73,312.67
  5. Step 5: Solve for x
    x = 73,312.67/301.99
  6. Step 6: Final answer
    x = 242.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.