Home / 648.27-973.08-433.35

Finding the Fourth Proportional to 648.27, 973.08 and 433.35

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Solution

The fourth proportional to 648.27, 973.08 and 433.35 is: 650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    648.27 : 973.08 = 433.35 : x
  2. Step 2: Convert to fraction form
    648.27/973.08 = 433.35/x
  3. Step 3: Cross multiply
    648.27x = 973.08 × 433.35
  4. Step 4: Simplify right side
    648.27x = 421,684.22
  5. Step 5: Solve for x
    x = 421,684.22/648.27
  6. Step 6: Final answer
    x = 650.48

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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.