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Finding the Fourth Proportional to 653.02, 901.23 and 417.01

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Solution

The fourth proportional to 653.02, 901.23 and 417.01 is: 575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    653.02 : 901.23 = 417.01 : x
  2. Step 2: Convert to fraction form
    653.02/901.23 = 417.01/x
  3. Step 3: Cross multiply
    653.02x = 901.23 × 417.01
  4. Step 4: Simplify right side
    653.02x = 375,821.06
  5. Step 5: Solve for x
    x = 375,821.06/653.02
  6. Step 6: Final answer
    x = 575.51

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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.