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Finding the Fourth Proportional to 270.83, 373.75 and 152.82

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Solution

The fourth proportional to 270.83, 373.75 and 152.82 is: 210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.83 : 373.75 = 152.82 : x
  2. Step 2: Convert to fraction form
    270.83/373.75 = 152.82/x
  3. Step 3: Cross multiply
    270.83x = 373.75 × 152.82
  4. Step 4: Simplify right side
    270.83x = 57,114.61
  5. Step 5: Solve for x
    x = 57,114.61/270.83
  6. Step 6: Final answer
    x = 210.89

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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.