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Finding the Fourth Proportional to 595.50, 893.61 and 253.50

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Solution

The fourth proportional to 595.50, 893.61 and 253.50 is: 380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    595.50 : 893.61 = 253.50 : x
  2. Step 2: Convert to fraction form
    595.50/893.61 = 253.50/x
  3. Step 3: Cross multiply
    595.50x = 893.61 × 253.50
  4. Step 4: Simplify right side
    595.50x = 226,530.14
  5. Step 5: Solve for x
    x = 226,530.14/595.50
  6. Step 6: Final answer
    x = 380.40

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Why These Related Problems?

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