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Finding the Fourth Proportional to 953.00, 1,315.13 and 533.35

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Solution

The fourth proportional to 953.00, 1,315.13 and 533.35 is: 736.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.00 : 1,315.13 = 533.35 : x
  2. Step 2: Convert to fraction form
    953.00/1,315.13 = 533.35/x
  3. Step 3: Cross multiply
    953.00x = 1,315.13 × 533.35
  4. Step 4: Simplify right side
    953.00x = 701,418.01
  5. Step 5: Solve for x
    x = 701,418.01/953.00
  6. Step 6: Final answer
    x = 736.01

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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.