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Finding the Fourth Proportional to 175.94, 242.62 and 152.58

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Solution

The fourth proportional to 175.94, 242.62 and 152.58 is: 210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.94 : 242.62 = 152.58 : x
  2. Step 2: Convert to fraction form
    175.94/242.62 = 152.58/x
  3. Step 3: Cross multiply
    175.94x = 242.62 × 152.58
  4. Step 4: Simplify right side
    175.94x = 37,018.38
  5. Step 5: Solve for x
    x = 37,018.38/175.94
  6. Step 6: Final answer
    x = 210.40

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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.