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Finding the Fourth Proportional to 270.94, 373.64 and 183.58

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Solution

The fourth proportional to 270.94, 373.64 and 183.58 is: 253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.94 : 373.64 = 183.58 : x
  2. Step 2: Convert to fraction form
    270.94/373.64 = 183.58/x
  3. Step 3: Cross multiply
    270.94x = 373.64 × 183.58
  4. Step 4: Simplify right side
    270.94x = 68,592.83
  5. Step 5: Solve for x
    x = 68,592.83/270.94
  6. Step 6: Final answer
    x = 253.17

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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.